// Copyright (c) 2010, Anthony Cassidy
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are 
// permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright notice, this list 
//         of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice, this 
//         list of conditions and the following disclaimer in the documentation and/or 
//         other materials provided with the distribution.
//     * Neither the name of the AntsAdventureGameCreator nor the names of its contributors 
//         may be used to endorse or promote products derived from this software without 
//         specific prior written permission.
// 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
// SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
// THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#include "XReceiver.h"
#include "XInventoryItems.h"
#include "XInventorySlotCollection.h"

class XInventory : public XReceiver, public IUpdateItemVisibility
{
public:
    XInventory();
    ~XInventory();

    XInventoryItems& Invs();
    void SetRect(QRect rect);
    void UpdateRects();
    void UpdateImages();
    void UpdateImagesAndArrows();
    void UpdateItemVisibility();
    void UpdateVisibleItemsCache();

    XInventoryItems& Items();
    QPointer<XInventoryItem> GetInventoryItemAtSlot(int i);

    void DrawSlotIfVisible(int i, QPainter& displayPainter, QPainter& zbufferPainter, QRgb zbufferColor);

    void DrawRightArrowIfVisible(QPoint mousePos, QPainter& displayPainter, QPainter& zbufferPainter, QRgb zbufferColor, bool forceRolloverOff);
    void DrawLeftArrowIfVisible(QPoint mousePos, QPainter& displayPainter, QPainter& zbufferPainter, QRgb zbufferColor, bool forceRolloverOff);

    bool IsInventoryItemAtSlot(int iSlot);
    bool IsMouseOverLeftArrow(QPoint pos);
    bool IsMouseOverRightArrow(QPoint pos);
    bool IsMouseOverSlot(int i, QPoint pos);
    bool IsRightArrowVisible();
    bool IsLeftArrowVisible();


    void TriggerLeftArrow();
    void TriggerRightArrow();
    void TriggerSlot(int index);

    void SetHighlightedSlot(int i);
    void ReviseNetRightArrowClicksDownIfNecessary();
    XInventorySlotCollection& Slots();
    XReceiver* Receiver() const;
    void SetVisible(bool);
    bool IsVisible() const;


private:

    XInventoryItems m_allInventoryItemsForRoom;
    XInventorySlotCollection m_slots;

    QImage m_imageForLeftArrow;
    QImage m_imageForLeftArrowRollover;
    QRect m_rectForLeftArrow;

    QImage m_imageForRightArrow;
    QImage m_imageForRightArrowRollover;
    QRect m_rectForRightArrow;

    QImage m_blackImageForEmptySlot;

    int m_netRightArrowClicks;

    QPointer<XReceiver> m_receiver;
    QRect m_rect;
    QVector<QPointer<XInventoryItem> > m_visibleItemsCache;
    bool m_isVisible;
};

